+use clippy_utils::diagnostics::span_lint_and_sugg;
+use clippy_utils::source::position_before_rarrow;
use if_chain::if_chain;
use rustc_ast::ast;
use rustc_ast::visit::FnKind;
use rustc_span::source_map::Span;
use rustc_span::BytePos;
-use crate::utils::{position_before_rarrow, span_lint_and_sugg};
-
declare_clippy_lint! {
/// **What it does:** Checks for unit (`()`) expressions that can be removed.
///
fn check_block(&mut self, cx: &EarlyContext<'_>, block: &ast::Block) {
if_chain! {
- if let Some(ref stmt) = block.stmts.last();
+ if let Some(stmt) = block.stmts.last();
if let ast::StmtKind::Expr(ref expr) = stmt.kind;
- if is_unit_expr(expr) && !stmt.span.from_expansion();
+ if is_unit_expr(expr);
+ let ctxt = block.span.ctxt();
+ if stmt.span.ctxt() == ctxt && expr.span.ctxt() == ctxt;
then {
let sp = expr.span;
span_lint_and_sugg(